<%@ page contentType="text/html; charset=UTF-8" %><% request.setCharacterEncoding("UTF-8"); %><!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><title>Insert title here</title></head><body>    <form action="calc_ok3.jsp" method="post">        <input type="text" name="su1"/>        <select name="oper">            <option value="+">더하기</option>            <option value="-">빼기</option>            <option value="*">곱하기</option>            <option value="/">나누기</option>        </select>        <input type="text" name="su2"/>        <input type="submit" value=" = "/>    </form></body></html>